The International Nuclear Risk Assessment Group (INRAG) invites scientists, professionals and experts to NURIS, a two day conference in Vienna, Austria, 16-17 April 2015, to contribute to an independent and comprehensive discussion on nuclear risks. Participants are asked to present their work on the implications of nuclear technologies, insights in recent developments and general research in the field. The interdisciplinary context of the conference suggests presentations to meet both, scientific quality and general comprehensibility.